Finding the Fourth Proportional to 17,213.59, 23,753.34 and 12,180.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,213.59 : 23,753.34 = 12,180.76 : x
2. Step 2: Convert to fraction form
   17,213.59/23,753.34 = 12,180.76/x
3. Step 3: Cross multiply
   17,213.59x = 23,753.34 × 12,180.76
4. Step 4: Simplify right side
   17,213.59x = 289,333,672.83
5. Step 5: Solve for x
   x = 289,333,672.83/17,213.59
6. Step 6: Final answer
   x = 16,808.44